Patents by Inventor Ashwin Ramduth

Ashwin Ramduth has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Process for distilling fischer-tropsch derived paraffinic hydrocarbons
    Patent number: 6855248
    Abstract: A process for distilling paraffinic hydrocarbons comprises feeding a Fischer-Tropsh derived paraffinic hydrocarbon feedstock comprising heavy paraffinic hydrocarbons and, optionally, light and/or medium paraffinic hydrocarbons, into a distillation column. The distillation column is operated to produce usable waqx products. An overhead stream, a bottom stream, and at least one side stream, are withdrawn from the distillation column. All the wax products obtained are usable wax products.
    Type: Grant
    Filed: March 28, 2000
    Date of Patent: February 15, 2005
    Assignees: Sulzer Chemtech Limited, Sasol Wax (South Africa) (Proprietary) Limited
    Inventors: Anthony John Olivier, Ferdinand Richter, Charles Duckitt, Ashwin Ramduth, Vernon Jeremay Adams, Vinothen Moodley, Roy Alexander Calder, Mario Roza